#[allow(unused_variables)]
fn main() {
    println!("Hello, world!");
    let arr: [i32; 3] = [1, 2, 3];
    println!("{},{},{}", arr[0], arr[1], arr[2]);
    let arr: [u32; 6] = [2, 3, 4, 5, 5, 6];
    let arr = [2, 3, 5, 6, 6, 7, 7];
    for p in 0..10 {
        print!("{}-", p);
    }
    // for a in arr {
    //     println!("{}",a);
    // }
    pr();
}

fn pr() {
    println!("hello,world");
}
